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Finding the Fourth Proportional to 629,656.48, 944,624.88 and 230,288.32

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Solution

The fourth proportional to 629,656.48, 944,624.88 and 230,288.32 is: 345,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,656.48 : 944,624.88 = 230,288.32 : x
  2. Step 2: Convert to fraction form
    629,656.48/944,624.88 = 230,288.32/x
  3. Step 3: Cross multiply
    629,656.48x = 944,624.88 × 230,288.32
  4. Step 4: Simplify right side
    629,656.48x = 217,536,076,645.40
  5. Step 5: Solve for x
    x = 217,536,076,645.40/629,656.48
  6. Step 6: Final answer
    x = 345,483.74

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.